"Playing against a physically aggressive side, you’ve got to play smart.

We’re not shying away from the physical side of the game. "But when Muhammad Ali fought George Foreman, if he went toe to toe with him he was going to lose, he had to find other ways of getting around him.

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"We don’t want to go toe to toe with them because that’s what they want to do. You never go into a game of rugby knowing what the opposition want to do, and then do that. Why would we do that?

"We knew they were going to pick a mammoth back-row. You think they were going to come to Twickenham with a small forward pack? If you're not 6ft 6 you get thrown out the door. It's easy to do selection in the Springboks."

Jones has inside intel on the Springboks having worked as part of their backroom staff when they won the 2007 World Cup.

He is also good mates with current boss Allister Coetzee - a man under huge pressure after four defeats in his last five and fans calling for his head.

As the double World Cup winners attempt to stop the rot and prevent their worst ever season in the modern era Coetzee also insisted he will stick to his guns after picking a huge pack to of brutes.

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He said: "It will be a proper Test match and it will most likely start up front. Tests are about set piece and territory. You can’t get territory if you can’t get your set piece in the right area. That’s where it will be.

"England have got a solid defence system in place. You see a lot of line breaks but you do not see a lot of tries scored against them. They do something right in terms of how they scramble and shut down teams. We are well aware of that."

Sniffing blood already, Jones added: "Allister is a great rugby guy. Some of my funniest memories in rugby have been with him, so I want him to do well but I don't want him to do well on Saturday.